Drivetrain and Front Suspension Frame Front Crossmember Replacement (4WD 2500 HD, 3500)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Drivetrain and Front Suspension Frame Front Crossmember (4WD 2500 HD, 3500)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure: Remove the oil pan skid plate. Refer to Oil Pan Skid Plate Replacement (2500/2500 with RPO NZZ) .
1	Engine Front Crossmember Nut (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten: 70 N.m (52 lb ft) Plus 110 Degrees
2	Engine Front Crossmember Bolt (Qty: 4) Procedure Remove all traces of the original adhesive patch. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
3	Lower Control Arm Crossmember